I am not sure but it looks like that historical data and charts do not have a cash or saved file. So everytime ,it starts from scratch and every time I turn on Ninjatrader ,it doesn`t have any data in hand and request it from IB servers. Is that right? Or there is a missed setting that allows historical data to be saved ?
What should I do? This problem prevents me from having any access to the charts whenever I start using Ninja
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